Somma / Max-Bar (Series 50) Tool Holders

1/2" I.C., 35° Inserts


Right Hand Shown


Series 50 Toolholders

A/B C D R.H. HOLDER L.H. HOLDER
.625 3.50 .630 SKANR-104-V SKANL-104-V
.625 5.00 .630 SKANR-104-C SKANL-104-C
.750 3.50 .755 SKANR-124-V SKANL-124-V
.750 5.00 .755 SKANR-124-C SKANL-124-C
1.00 5.00 1.00 SKANR-164-C SKANL-164-C

Holders include, Screw# 4.76-127, and Wrench# T-25-P




Right Hand Shown


Right Angle Holders (50 Series)

NOTE: Right hand holders use left hand inserts
Left hand holders use right hand inserts
A/B C D R.H. HOLDER NO.  L.H. HOLDER NO. 
.375 .500 4.50 SKFNR-064-D SKFNL-064-D
.500 .500 4.50 SKFNR-084-D SKFNL-084-D
.625 .625 4.50 SKFNR-104-D SKFNL-104-D
.750 .750 5.00 SKFNR-124-D SKFNL-124-D
1.00 1.00 5.00 SKFNR-164-D SKFNL-164-D

Holders include, Screw# 4.76-127, and Wrench# T-25-P



Please Note: Inserts are sold in packages of ten.





Front Turn (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM Inch MM UNCOATED* UNCOATED*
.187 4.75 .300 7.62 0 0 KFTR-4040 KFTL-4040
.187 4.75 .300 7.62 .005 .13 KFTR-4045 KFTL-4045
.187 4.75 .300 7.62 0 0 KFTRB-4040** KFTLB-4040**
.187 4.75 .300 7.62 .005 .13 KFTRB-4045** KFTLB-4045**

**With chip control






Back Turn (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .300 7.62 0 KBTR-4308 KBTL-4308
.093 2.36 .300 7.62 0 KBTR-4306 KBTL-4306
.078 1.98 .250 6.35 0 KBTR-4305 KBTL-4305
.062 1.57 .190 4.83 0 KBTR-4304 KBTL-4304
.047 1.19 .130 3.30 0 KBTR-4303 KBTL-4303







Square Bottom

Plunge & Turn (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .300 7.62 0 KTGR-4125 KTGL-4125
.093 2.36 .300 7.62 0 KTGR-4093 KTGL-4093
.078 1.98 .250 6.35 0 KTGR-4078 KTGL-4078
.062 1.57 .190 4.82 0 KTGR-4062 KTGL-4062
.047 1.19 .130 3.30 0 KTGR-4047 KTGL-4047






Cut-Off (Series 50)

Width Depth R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .320 8.13 15° KCOR-4158 KCOL-4158
.093 2.36 .320 8.13 15° KCOR-4156 KCOL-4156
.078 1.98 .320 8.13 15° KCOR-4155 KCOL-4155
.062 1.57 .260 6.60 15° KCOR-4154 KCOL-4154
.047 1.19 .190 4.83 15° KCOR-4153 KCOL-4153
.040 1.00 .130 3.30 20° KCOR-4201M KCOL-4201M






Left hand insert with
Right hand cut-off shown

Opp. Hand Cut-Off for Pickoff Spindle (Series 50)

Width Depth R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.093 2.36 .320 8.13 15° KCORL-4156 KCOLR-4156
.078 1.98 .320 8.13 15° KCORL-4155 KCOLR-4155
.062 1.57 .260 6.60 15° KCORL-4154 KCOLR-4154
.047 1.19 .190 4.83 15° KCORL-4153 KCOLR-4153







Grooving (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .300 7.62 0 KNGR-4125 KNGL-4125
.093 2.36 .300 7.62 0 KNGR-4093 KNGL-4093
.078 1.98 .300 7.62 0 KNGR-4078 KNGL-4078
.062 1.57 .250 6.60 0 KNGR-4062 KNGL-4062
.047 1.19 .190 4.83 0 KNGR-4047 KNGL-4047
.040 1.00 .130 3.30 0 KNGR-4040 KNGL-4040
.031 0.79 .080 2.03 0 KNGR-4031 KNGL-4031







Full Radius (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .300 7.62 .062 1.58 KFRR-4125 KFRL-4125
.093 2.36 .300 7.62 .047 1.19 KFRR-4093 KFRL-4093
.078 1.98 .300 7.62 .039 1.00 KFRR-4078 KFRL-4078
.062 1.57 .250 4.83 .031 0.78 KFRR-4062 KFRL-4062
.047 1.19 .190 4.83 .023 0.60 KFRR-4047 KFRL-4047
.031 0.79 .080 2.03 .015 0.40 KFRR-4031 KFRL-4031







Threading 60° Centrally Located (Series 50)

Width Depth Radius R.H. INSERT L.H. INSERT
Inch MM Inch MM Inch MM UNCOATED* UNCOATED*
.125 3.18 .300 7.62 .004 .10 KNVR-4125 KNVL-4125
.062 1.57 .250 6.35 .002 .05 KNVR-4062 KNVL-4062
.031 0.78 .190 4.82 0 0 KNVR-4031 KNVL-4031